How-To Concepts

General Rescue Principles

Excerpt from Gear In Use 2: Technical Rescue Inert suspension in a harness, even for a short time, can cause serious physiological harm. In case of an accident, it is important to intervene quickly with the appropriate technique. Self-rescue On sites where the main access could be cut off by fire, people must be ready …

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Comparison between MAESTRO and I’D for a rescue using twin tensioned haul lines

Excerpt from Gear In Use 2: Technical Rescue MAESTRO and I’D allow for efficient hauling, releasing the lock at any time, and a controlled lower of the load. The two devices have different ergonomics and different specifications (working load and efficiency). Hauling The MAESTRO’s efficiency enables the effective use of simple pulley systems. If a …

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Double CLUTCH | Using the CLUTCH In a Twin Tension Rope System (TTRS)

I always appreciate great video.  Video (to me) is either aesthetic or technical and trying to bridge both is tough. This video from CMC is clearly technical, but I really appreciate the angles of perspective. So often the “clarifying message” of “the how” can get completely lost if the angles are not right. The CMC …

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General Guidelines To A Successful Operation of the Vortex

Excerpt From The Arizona Vortex Guidebook – A Rigging Lab Academy Premiere Course IT IS VITAL THAT THE USER BE ABLE TO DETERMINE THE DIRECTION AND THE MAGNITUDE OF THE FORCES ACT- ING ON THE FRAME. THE FRAME NEEDS TO BE ASSEMBLED, HOBBLED, GUYED AND OPERATED TO RESIST ALL FORCES WITHOUT ANY MOVEMENT OF THE …

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Grab Your Free “Gear In Use” Course and Petzl Solutions Rigging Guide

The ante has been raised in our industry.  The need for running teams and systems in a more streamlined manner has become less a wish and more a practical goal.  Some have met this challenge and surpassed it, while others are still pursuing the vision.  There are real-life obstacles we face (every day) that stand …

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Trackline and steep angle litter raise gin-pole as bottom AHD

A-Frame and Gin Pole Trackline with Steep Angle Litter Raise: An Overview of a Dual AHD and Steep Angle Litter Work

Vision, training and rehearsing are purposeful events.  Rarely can someone envision future events without understanding the past as there is no understanding or interpretation without history.  Training involves coaching, education, drills, guidance, discipline and a host of other “things”… in short, “training” can be disastrous if done inappropriately. Rehearsing however is something different.  Rehearsing involves …

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Anchoring: Focus Floating Guying Concepts

Obviously anchoring as a concept is a huge topic.  The variations in any given anchoring course can range wildly depending on the vision, scope, knowledge and imagination a give team or person has.  Here is what a typical anchoring course would look like.  I have rounded them out to 10 topics. Anchor Points Selection and …

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Parallel Hauls, Doubled Mechanical Advantage or Not?

Today at Rigging Lab Academy, we’re going to bust this myth that parallel mechanical advantage systems somehow add together and double mechanical advantage. There are arguments out there that two 3:1s side by side pulled on the same load are a 6:1, or two 5:1s are a 10:1. It’s not true, and we’re going to …

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The Basics Of How The Arizona Vortex Works: Part 1

Okay, so we’re just going to talk about the background on why we use the Vortex, so for this demonstration, we’ve taken the rope out of the pulley, the head of the Vortex. In this configuration, assuming that the Vortex is actually not even here, you can see that John is tied into the red …

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